An Astragal is an applied molding attached most commonly to the meeting edge of doors to:
Protection against weather conditions
Minimize the passage of light between the doors
Retard the passa...
All 3 hour fire rated pairs of doors do require an astragal when used without a removable hardware mullion.
Pairs of doors with removable hardware mullions are treated and listed as 2 single doors...
Types of astragal offered from Steelcraft are as follows:
"Z" Astragal - For information on "Z" astragal types and attachment refer to the TD Manual page 3.3.17.
Most commonly used on double ...
Astragals are required on:
3 hour fire rated pairs:
Double doors - swinging in the same direction
Double Egress - swinging in opposite directions
Fire rated Dutch Doors
Fire rated 1 3/4" t...
The following application information apply to the 5100 electric strike:
Can only be used on a single door with a cylindrical lock
Can not be used on a pair of doors
Can not be used on a mullion
For non fire rated doors only the 1609 strike would be used on the inactive leaf that is flush/surface bolted or with a *surface or concealed vertical rod device on other door leaf.